github.com/khulnasoft-lab/defsec@v1.0.5-0.20230827010352-5e9f46893d95/rules/cloud/policies/google/compute/no_public_ip.go (about)

     1  package compute
     2  
     3  import (
     4  	"github.com/khulnasoft-lab/defsec/internal/rules"
     5  	"github.com/khulnasoft-lab/defsec/pkg/providers"
     6  	"github.com/khulnasoft-lab/defsec/pkg/scan"
     7  	"github.com/khulnasoft-lab/defsec/pkg/severity"
     8  	"github.com/khulnasoft-lab/defsec/pkg/state"
     9  )
    10  
    11  var CheckInstancesDoNotHavePublicIPs = rules.Register(
    12  	scan.Rule{
    13  		AVDID:       "AVD-GCP-0031",
    14  		Provider:    providers.GoogleProvider,
    15  		Service:     service,
    16  		ShortCode:   "no-public-ip",
    17  		Summary:     "Instances should not have public IP addresses",
    18  		Impact:      "Direct exposure of an instance to the public internet",
    19  		Resolution:  "Remove public IP",
    20  		Explanation: `Instances should not be publicly exposed to the internet`,
    21  		Terraform: &scan.EngineMetadata{
    22  			GoodExamples:        terraformNoPublicIpGoodExamples,
    23  			BadExamples:         terraformNoPublicIpBadExamples,
    24  			Links:               terraformNoPublicIpLinks,
    25  			RemediationMarkdown: terraformNoPublicIpRemediationMarkdown,
    26  		},
    27  		Severity: severity.High,
    28  		Links: []string{
    29  			"https://cloud.google.com/compute/docs/ip-addresses#externaladdresses",
    30  		},
    31  	},
    32  	func(s *state.State) (results scan.Results) {
    33  		for _, instance := range s.Google.Compute.Instances {
    34  			for _, networkInterface := range instance.NetworkInterfaces {
    35  				if networkInterface.HasPublicIP.IsTrue() {
    36  					results.Add(
    37  						"Instance has a public IP allocated.",
    38  						networkInterface.HasPublicIP,
    39  					)
    40  				} else {
    41  					results.AddPassed(&networkInterface)
    42  				}
    43  			}
    44  
    45  		}
    46  		return results
    47  	},
    48  )